<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar
      fixed
      title="文章详情"
      left-arrow
      @click-left="$router.back()"
    />
     <van-loading text-color="#0094ff" vertical class="loadingVer" v-if="articleObj.title===undefined">我在拼命加载中</van-loading>
    <!-- 文章信息区域 -->
    <div class="article-container"  v-else>
      <!-- 文章标题 -->
      <h1 class="art-title">{{ articleObj.title }}</h1>

      <!-- 用户信息 -->
      <van-cell
        center
        :title="articleObj.aut_name"
        :label="getTime(articleObj.pubdate)"
      >
        <template #icon>
          <img :src="articleObj.aut_photo" alt="" class="avatar" />
        </template>
        <template #default>
          <div>
            <van-button
              type="info"
              size="mini"
              v-if="articleObj.is_followed"
              @click="unFollowFn"
              >已关注</van-button
            >
            <van-button
              icon="plus"
              type="info"
              size="mini"
              plain
              v-else
              @click="followFn"
              >关注</van-button
            >
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="articleObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button
          icon="good-job"
          type="danger"
          size="small"
          v-if="articleObj.attitude === 1"
          @click="unGoodFn">已点赞</van-button
        >
        <van-button icon="good-job-o" type="danger" plain size="small" v-else
          @click="goodFn">点赞</van-button
        >
      </div>
      <!-- 组件 -->
      <comment-list :art_id="$route.query.aId"></comment-list>
    </div>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import * as relativeTime from 'dayjs/plugin/relativeTime' // import plugin
import 'dayjs/locale/zh-cn'
import { getDetailAPI, followAPI, unFollowAPI, likingAPI, unLinkingAPI } from '@/api'
import CommentList from './CommentList.vue'
dayjs.extend(relativeTime) // use plugin
dayjs.locale('zh-cn') // use locale
dayjs.extend(relativeTime)

export default {
  name: 'ArticleDetail',
  components: { CommentList },
  data () {
    return {
      articleObj: {}
    }
  },
  methods: {
    getTime (time) {
      var a = dayjs()
      var b = dayjs(time)
      return a.to(b) // in 2 years,
    },
    async goodFn () {
      this.articleObj.attitude = 1
      const res = await likingAPI(this.articleObj.art_id)
      console.log(res)
    },
    async unGoodFn () {
      this.articleObj.attitude = -1
      const res = await unLinkingAPI(this.articleObj.art_id)
      console.log(res)
    },
    async followFn () {
      this.articleObj.is_followed = true
      const res = await followAPI(this.articleObj.aut_id)
      console.log(res)
    },
    async unFollowFn () {
      this.articleObj.is_followed = false
      const res = await unFollowAPI(this.articleObj.aut_id)
      console.log(res)
    }
  },
  async created () {
    const res = await getDetailAPI(this.$route.query.aId)
    // console.log(res)
    this.articleObj = res.data.data
    // console.log(this.articleObj)
  }
}
</script>

<style scoped lang="less">
.loadingVer{
  margin-top: 70px;
}
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
  /deep/ img {
    width: 100%;
  }
  /deep/ pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
